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The meaning of PROOF is the cogency of evidence that compels acceptance by the mind of a truth or a fact. How to use proof in a sentence.

PROOF definition: 1. a fact or piece of information that shows that something exists or is true: 2. a logical…. Learn more.

evidence, proof - Evidence—from Latin e-, "out," and videre, "to see"— is information that helps form a conclusion; proof is factual information that verifies a conclusion.

3 days ago · The celebrated actors are both making their Broadway debuts in a revival of David Auburn's Tony- and Pulitzer Prize-winner "Proof," about a brilliant mathematics professor with mental …

Proof is a fact, argument, or piece of evidence which shows that something is definitely true or definitely exists. This is not necessarily proof that he is wrong.

Emmy Winner Ayo Edebiri (“The Bear”) and Golden Globe Winner Don Cheadle (“House of Lies”) make their long-awaited Broadway debuts in David Auburn’s Pulitzer and Tony Award winning PROOF.

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Definition of proof noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Apr 16, 2026 · Don Cheadle and Ayo Edebiri star in "Proof" on Broadway. (Matthew Murphy) Michelle and Barack Obama are one of the producer teams for the new revival of David Auburn’s 2000 …